Sources tell THR that the price of admission for Warner Bros. joining Paramount’s sci-fi movie from the “Dark Knight” producer was the studio’s stake in the classic horror franchise, along with its portion of a future “South Park” movie.

From Cameron Diaz to Sandra Bullock, the A-list of actresses is aging along with the moviegoer as their clout (and salaries) skyrocket, and Hollywood fails to groom another generation amid franchise fever.